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nlin.CD2000★ 22 cited
Incomplete approach to homoclinicity in a model with bent-slow manifold geometry
S. Rajesh, G. Ananthakrishna
The dynamics of a model, originally proposed for a type of instability in plastic flow, has been investigated in detail. The bifurcation portrait of the system in two physically re…
nlin.CD2000★ 45 cited
Relaxation oscillations and negative strain rate sensitivity in the Portevin - Le Chatelier effect
S. Rajesh, G. Ananthakrishna
A characteristic feature of the Portevin - Le Chatelier effect or the jerky flow is the stick-slip nature of stress-strain curves which is believed to result from the negative stra…